Can't use the app to find out how much data I have left for the month

‎17-10-201812:28 AM

Want to know how much data I have left on my pay monthly plan for the month but both the my ee app and texting the word BALANCE to 150 fail to furnish me with this information. I am told to check back later, but exactly how much later is unapaparent as it seems to be an ongoing problem.